Striped liquid personal cleansing compositions containing a cleansing phase and a separate benefit phase comprising a high internal phase emulsion

ABSTRACT

Personal cleansing compositions that comprise (A) a cleansing phase containing a surfactant and water; and (B) a separate benefit phase comprising at least one high internal phase emulsion; wherein the cleansing and benefit phases are packaged together and are in physical contact. These compositions and corresponding methods provide improved cosmetics, skin feel, and/or skin benefit efficacy.

CROSS REFERENCE TO RELATED APPLICATION(S)

This application is a divisional of U.S. application Ser. No.10/837,201, filed Apr. 30, 2004, which claims the benefit of U.S.Provisional Application No. 60/467,207, filed May 1, 2003.

FIELD OF THE INVENTION

The present invention relates to striped liquid personal cleansingcompositions comprising a cleansing phase and a separate benefit phasecomprising a high internal phase emulsion wherein the two phases arepackaged in physical contact while remaining stable for long periods oftime.

BACKGROUND OF THE INVENTION

Personal cleansing compositions that purport to provideskin-conditioning benefits are known. Many of these compositions areaqueous systems comprising an emulsified conditioning oil or othersimilar materials in combination with a lathering surfactant. Althoughmany of these products provide both conditioning and cleansing benefits,there are often trade-offs associated with their use. For instance, itcan be difficult to formulate a stable product that deposits asufficient amount of skin conditioning agents on skin during use. Inorder to combat emulsification of the skin conditioning agents by thecleansing surfactant, large amounts of the skin conditioning agent areoften added to the compositions. Unfortunately, raising the level ofskin conditioning agent in order to achieve increased deposition cannegatively affect product lather performance and stability.

One attempt at providing conditioning and cleansing benefits from apersonal cleansing product while maintaining stability has been the useof dual-chamber packaging. These packages comprise separate cleansingcompositions and conditioning compositions, and allow for theco-dispensing of the two in a single or dual stream. The separateconditioning and cleansing compositions thus remain physically separateand stable during prolonged storage and just prior to application, butthen mix during or after dispensing to provide conditioning andcleansing benefits from a physically stable system. Although suchdual-chamber delivery systems provide improved conditioning benefitsversus conventional systems, it is often difficult to achieve consistentand uniform performance because of the uneven dispensing ratio betweenthe cleansing phase and the conditioning phase from these dual-chamberpackages. Additionally, these packaging systems add considerable cost tothe finished product.

Striped personal cleaning compositions are also known in the art.However, these compositions do not contain a cleansing phase and abenefit phase and thus stability has not been an issue for theseproducts.

Accordingly, the need still remains for stable personal cleansingcompositions that provide both cleansing and improved skin conditioningbenefits. It has now been found that striped personal cleansingcompositions comprising two phases in physical contact that remainstable for long periods of time can be formulated.

These striped personal cleansing compositions comprise cleansing andbenefit phases that are packaged so that the two separate phases are inphysical contact yet remain stable. The compositions provide improveddeposition of conditioning agents on skin

The compositions of the present invention further provide improvedcosmetics via the striped appearance and improved skin feel during andafter application. It has been found that such compositions withseparate phase in physical contact can be formulated with sufficientlyhigh levels of benefit agents without compromising product latherperformance and stability. The superior lather performance can bedemonstrated via the lather volume method described herein.

It has also been found that the striped personal cleansing compositionscan be formulated with selected skin active agents that provide improvedchronic skin benefits to the skin. These compositions comprise acleansing phase containing a cleansing surfactant and at least oneadditional benefit phase containing a high internal phase emulsion and askin active agent, wherein the cleansing and active phases are packagedin physical contact while remaining stable for long periods of time.

SUMMARY OF THE INVENTION

The present invention is directed to striped personal cleansingcompositions comprising a first stripe comprising a cleansing phasecomprising a surfactant, and water and at least one additional stripecomprising a separate benefit phase comprising a high internal phaseemulsion.

The present invention further relates to a striped personal cleansingcomposition comprising a cleansing phase and benefit phase wherein atleast one phase contains a colorant, wherein both phases are packed in asingle package such that the two phases visually form a pattern.

The present invention is also directed to a method of cleansing andmoisturizing the skin by applying to the skin a composition as describedabove.

DETAILED DESCRIPTION

The striped personal cleansing compositions of the present inventioncomprise, a first stripe comprising a cleansing phase, and at least oneadditional stripe comprising a benefit phase. The benefit phasecomprises a high internal phase emulsion. These and other essentiallimitations of the compositions and methods of the present invention, aswell as many of the optional ingredients suitable for use herein, aredescribed in detail hereinafter.

By the term “stripe” as used herein, is meant that the cleansing phaseand the benefit phases herein occupy separate but distinct physicalspaces inside the package in which they are stored, but are in directcontact with one another (i.e. they are not separated by a barrier andthey are not emulsified or mixed to any significant degree). In onepreferred embodiment of the present invention, the cleansing phase andthe benefit phase are present within the container as distinct layers or“stripes”. The stripes may be relatively uniform and even across thedimension of the package. Alternatively, the layers may be uneven, i.e.wavy, or may be nonuniform in dimension. The stripes do not need tonecessarily extend across the entire dimension of the package. The“stripe’ can be various geometric shapes, various different colors orinclude glitter or pearlescence.

The term “high internal phase emulsion” as used herein, unless otherwisespecified, refers to those emulsions containing 50% or more of adiscontinuous or “internal” phase and 50% or less of a continuous phase.In the compositions herein, the oil phase is the discontinuous phase andthe aqueous phase is the continuous phase.

The term “ambient conditions” as used herein, unless otherwisespecified, refers to surrounding conditions at one (1) atmosphere ofpressure, 50% relative humidity, and 25° C.

The term “stable” as used herein, unless otherwise specified, refers tocompositions that maintain at least two “separate” phases when sittingin physical contact at ambient conditions for a period of at least about180 days. By “separate” is meant that there is substantially no mixingof the phases, observable to the naked eye, prior to dispensing of thecomposition.

The term “personal cleansing composition” as used herein, unlessotherwise specified, refers to compositions intended for topicalapplication to the skin or hair.

The phrase “substantially free of” as used herein, unless otherwisespecified means that the compositions comprise less than about 3%,preferably less than about 1%, more preferably less than about 0.5%,even more preferably less than about 0.25%, and most preferably lessthan about 0.1% of the stated ingredient.

All percentages, parts and ratios as used herein are by weight of thetotal composition, unless otherwise specified. All such weights as theypertain to listed ingredients are based on the active level and,therefore, do not include solvents or by-products that may be includedin commercially available materials, unless otherwise specified.

All cited references are incorporated herein by reference in theirentireties. Citation of any reference is not an admission regarding anydetermination as to its availability as prior art to the claimedinvention.

The personal cleansing compositions and methods of the present inventioncan comprise, consist of, or consist essentially of, the essentialelements and limitations of the invention described herein, as well asany additional or optional ingredients, components, or limitationsdescribed herein or otherwise useful in personal cleansing compositionsintended for topical application to the hair or skin.

Product Form

The personal cleansing compositions of the present invention aretypically in the form of a liquid. The term “liquid” as used hereinmeans that the composition is generally flowable to some degree.“Liquids”, therefore, can include liquid, semi-liquid, cream, lotion orgel compositions intended for topical application to skin. Thesecompositions typically exhibit a viscosity of equal to or greater thanabout 3,000 cps to about 1,000,000 cps. These compositions contain acleansing phase and a benefit phase, both of which are described ingreater detail hereinafter.

All of the product forms contemplated for purposes of defining thecompositions and methods of the present invention are rinse-offformulations, by which is meant the product is applied topically to theskin or hair and then subsequently (i.e., within minutes) rinsed awaywith water, or otherwise wiped off using a substrate or other suitableremoval means.

Cleansing Phase

The personal cleansing compositions of the present invention comprise anaqueous cleansing phase that contains a surfactant suitable forapplication to the skin or hair. Suitable surfactants for use hereininclude any known or otherwise effective cleansing surfactant which aresuitable for application to the skin, and which are otherwise compatiblewith the other essential ingredients in the aqueous cleansing phase ofthe compositions. These cleansing surfactants include anionic, nonionic,cationic, zwitterionic or amphoteric surfactants, or combinationsthereof. Other suitable surfactants are described in McCutcheon's,Emulsifiers and Detergents, 1989 Annual, published by M. C. PublishingCo., and in U.S. Pat. No. 3,929,678.

The aqueous cleansing phase of the personal care compositions preferablycomprises a cleansing surfactant at concentrations ranging from about 3%to about 60%, more preferably from about 4% to about 30%, even morepreferably from about 5% to about 25%, by weight of the aqueouscleansing phase. The preferred pH range of the cleansing phase is fromabout 5 to about 8. Frequently surfactants are sold as solutions inwater or other solvents which dilute them to less than 100% activesurfactant. Therefore the “active surfactant” means actual amount ofsurfactant delivered to the free flowing composition from a commercialsurfactant preparation.

The aqueous cleansing phase of the personal care compositions preferablyproduces a Total Lather Volume of at least 350 ml, more preferablygreater than 400 ml, even more preferably greater than about 600 ml, asdescribed in the Lathering Volume Test. The aqueous cleansing phase ofthe personal care compositions preferably produces a Flash Lather Volumeof at least 150 ml, preferably greater than 200 ml, most preferablygreater than 300 ml as described in the Lathering Volume Test.

Anionic surfactants suitable for use in the cleansing phase includealkyl and alkyl ether sulfates. These materials have the respectiveformula ROSO₃M and RO(C₂H₄O)_(X)SO₃M, wherein R is alkyl or alkenyl offrom about 8 to about 24 carbon atoms, x is 1 to 10, and M is awater-soluble cation such as ammonium, sodium, potassium andtriethanolamine. The alkyl ether sulfates are typically made ascondensation products of ethylene oxide and monohydric alcohols havingfrom about 8 to about 24 carbon atoms. Preferably, R has from about 10to about 18 carbon atoms in both the alkyl and alkyl ether sulfates. Thealcohols can be derived from fats, e.g., coconut oil or tallow, or canbe synthetic. Lauryl alcohol and straight chain alcohols derived fromcoconut oil are preferred herein. Such alcohols are reacted with about 1to about 10, preferably from about 3 to about 5, and more preferablywith about 3, molar pro-portions of ethylene oxide and the resultingmixture of molecular species having, for example, an average of 3 molesof ethylene oxide per mole of alcohol, is sulfated and neutralized.

Other suitable anionic surfactants include water-soluble salts of theorganic, sulfuric acid reaction products of the general formula[R¹—SO₃-M], wherein R¹ is chosen from the group consisting of a straightor branched chain, saturated aliphatic hydrocarbon radical having fromabout 8 to about 24, preferably about 10 to about 18, carbon atoms; andM is a cation. Suitable examples are the salts of an organic sulfuricacid reaction product of a hydrocarbon of the methane series, includingiso-, neo-, ineso-, and n-paraffins, having about 8 to about 24 carbonatoms, preferably about 10 to about 18 carbon atoms and a sulfonatingagent, e.g., SO₃, H₂SO₄, oleum, obtained according to known sulfonationmethods, including bleaching and hydrolysis. Preferred are alkali metaland ammonium sulfonated C₁₀₋₁₈ n-paraffins.

Preferred anionic surfactants for use in the cleansing phase includeammonium lauryl sulfate, ammonium laureth sulfate, triethylamine laurylsulfate, triethylamine laureth sulfate, triethanolamine lauryl sulfate,triethanolamine laureth sulfate, monoethanolamine lauryl sulfate,monoethanolamine laureth sulfate, diethanolamine lauryl sulfate,diethanolamine laureth sulfate, lauric monoglyceride sodium sulfate,sodium lauryl sulfate, sodium laureth sulfate, potassium laurethsulfate, sodium lauryl sarcosinate, sodium lauroyl sarcosinate, laurylsarcosine, cocoyl sarcosine, ammonium cocoyl sulfate, ammonium lauroylsulfate, sodium cocoyl sulfate, sodium lauroyl sulfate, potassium cocoylsulfate, potassium lauryl sulfate, monoethanolamine cocoyl sulfate,sodium tridecyl benzene sulfonate, sodium dodecyl benzene sulfonate, andcombinations thereof.

Amphoteric surfactants suitable for use in the cleansing phase includethose that are broadly described as derivatives of aliphatic secondaryand tertiary amines in which the aliphatic radical can be straight orbranched chain and wherein one of the aliphatic substituents containsfrom about 8 to about 18 carbon atoms and one contains an anionic watersolubilizing group, e.g., carboxy, sulfonate, sulfate, phosphate, orphosphonate. Examples of compounds falling within this definition aresodium 3-dodecyl-aminopropionate, sodium 3-dodecylaminopropanesulfonate, sodium lauryl sarcosinate, N-alkyltaurines such as the oneprepared by reacting dodecylamine with sodium isethionate according tothe teaching of U.S. Pat. No. 2,658,072, N-higher alkyl aspartic acidssuch as those produced according to the teaching of U.S. Pat. No.2,438,091, and the products described in U.S. Pat. No. 2,528,378.

Zwitterionic surfactants suitable for use in the cleansing phase includethose that are broadly described as derivatives of aliphatic quaternaryammonium, phosphonium, and sulfonium compounds, in which the aliphaticradicals can be straight or branched chain, and wherein one of thealiphatic substituents contains from about 8 to about 18 carbon atomsand one contains an anionic group, e.g., carboxy, sulfonate, sulfate,phosphate, or phosphonate. Such suitable zwitterionic surfactants can berepresented by the formula:

wherein R² contains an alkyl, alkenyl, or hydroxy alkyl radical of fromabout 8 to about 18 carbon atoms, from 0 to about 10 ethylene oxidemoieties and from 0 to about 1 glyceryl moiety; Y is selected from thegroup consisting of nitrogen, phosphorus, and sulfur atoms; R³ is analkyl or monohydroxyalkyl group containing about 1 to about 3 carbonatoms; X is 1 when Y is a sulfur atom, and 2 when Y is a nitrogen orphosphorus atom; R⁴ is an alkylene or hydroxyalkylene of from about 1 toabout 4 carbon atoms and Z is a radical selected from the groupconsisting of carboxylate, sulfonate, sulfate, phosphonate, andphosphate groups.

Other zwitterionic surfactants suitable for use in the cleansing phaseinclude betaines, including high alkyl betaines such as coco dimethylcarboxymethyl betaine, cocoamidopropyl betaine, cocobetaine, laurylamidopropyl betaine, oleyl betaine, lauryl dimethyl carboxymethylbetaine, lauryl dimethyl alphacarboxyethyl betaine, cetyl dimethylcarboxymethyl betaine, lauryl bis-(2-hydroxyethyl)carboxymethyl betaine,stearyl bis-(2-hydroxypropyl)carboxymethyl betaine, oleyl dimethylgamma-carboxypropyl betaine, and laurylbis-(2-hydroxypropyl)alpha-carboxyethyl betaine. The sulfobetaines maybe represented by coco dimethyl sulfopropyl betaine, stearyl dimethylsulfopropyl betaine, lauryl dimethyl sulfoethyl betaine, laurylbis-(2-hydroxyethyl)sulfopropyl betaine and the like; amidobetaines andamidosulfobetaines, wherein the RCONH(CH₂)₃ radical is attached to thenitrogen atom of the betaine are also useful in this invention.

Cationic surfactants can also be used in the cleansing phase, but aregenerally less preferred, and preferably represent less than about 5% byweight of the compositions.

Suitable nonionic surfactants for use in the aqueous cleansing phaseinclude condensation products of alkylene oxide groups (hydrophilic innature) with an organic hydrophobic compound, which may be aliphatic oralkyl aromatic in nature.

Characteristics of Cleansing Phase Preferred for Stability

Lamellar Structurant

The compositions of the present invention preferably comprise about 0.1%to 10% by wt. of a structurant agent in the cleansing phase whichfunctions in the compositions to form a lamellar phase. It is believedthe lamellar phase enhances the interfacial stability between thesurfactant phase and the benefit phase.

Suitable structurants includes a fatty acid or ester derivativesthereof, a fatty alcohol, or trihydroxystearin, polycare 133. Mostpreferably the structurant is selected from lauric acid ortrihydroxystearin.

In another preferred embodiment of the present invention the surfactantcompositions for use in the cleansing phase exhibit Non-Newtonian shearthinning behavior (herein referred to as free flowing compositions).These surfactant compositions comprise water, at least one anionicsurfactant, an electrolyte and at least one alkanolamide. It has beenfound that by employing a cleansing phase exhibiting Non-Newtonian shearthinning behavior, the stability of the resulting personal cleansingcomposition may be increased.

The alkanolamide if present has the general structure of:

wherein R is C₈ to C₂₄ or preferably in some embodiments C₈ to C₂₂ or inother embodiments C₈ to C_(18 saturated) or unsaturated straight chainor branched aliphatic group, R₁ and R₂ are the same or different C₂-C₄straight chain or branched aliphatic group, x=0 to 10; y=1-10 andwherein the sum of x and y is less than or equal to 10.

The amount of alkanolamide in the composition is typically about 0.1% toabout 10% by weight, and in some embodiments is preferably about 2% toabout 5% by weight of the cleansing phase. Some preferred alkanolamidesinclude Cocamide MEA (Coco monethanolamide) and Cocamide MIPA (Cocomonoisopropranolamide).

The electrolyte, if used, can be added per se to the composition or itcan be formed in situ via the counter-ions included in one of the rawmaterials. The electrolyte preferably includes an anion comprisingphosphate, chloride, sulfate or citrate and a cation comprising sodium,ammonium, potassium, magnesium or mixtures thereof. Some preferredelectrolytes are sodium or ammonium chloride or sodium or ammoniumsulfate.

The electrolyte, when present, should be present in an amount, whichfacilitates formation of the free flowing composition. Generally, thisamount is from about 0.1% by weight to about 15% by weight, preferablyfrom about 1% to about 6% by weight of the cleansing phase, but may bevaried if required.

Optional Ingredients for Use in the Cleansing Phase

Other suitable, optional ingredients, which may be employed in thecleansing phase, include humectants and solutes. A variety of humectantsand solutes can be employed and can be present at a level of from about0.1% to about 50%, preferably from about 0.5% to about 35%, and morepreferably from about 2% to about 20% of a personal care composition.

Nonionic polyethylene/polypropylene glycol polymers are preferably usedas skin conditioning agents. Polymers useful herein that are especiallypreferred are PEG-2M wherein x equals 2 and n has an average value ofabout 2,000 (PEG 2-M is also known as Polyox WSR® N-10 from UnionCarbide and as PEG-2,000); PEG-5M wherein x equals 2 and n has anaverage value of about 5,000 (PEG 5-M is also known as Polyox WSR® 35and Polyox WSR® N-80, both from Union Carbide and as PEG-5,000 andPolyethylene Glycol 200,000); PEG-7M wherein x equals 2 and n has anaverage value of about 7,000 (PEG 7-M is also known as Polyox WSR®(N-750 from Union Carbide); PEG-9M wherein x equals 2 and n has anaverage value of about 9,000 (PEG 9-M is also known as Polyox WSR®N-3333 from Union Carbide); PEG-14 M wherein x equals 2 and n has anaverage value of about 14,000 (PEG 14-M is also known as Polyox WSR-205and Polyox WSR® N-3000 both from Union Carbide); and PEG-90M wherein xequals 2 and n has an average value of about 90,000 (PEG-90M is alsoknown as Polyox WSR®-301 from Union Carbide.)

The striped personal cleansing compositions of the present invention mayadditionally comprise an organic cationic deposition polymer in thecleansing phase as a deposition aid for the benefit agents describedhereinafter. Concentrations of the cationic deposition polymerpreferably range from about 0.025% to about 3%, more preferably fromabout 0.05% to about 2%, even more preferably from about 0.1% to about1%, by weight of the cleansing phase composition.

Suitable cationic deposition polymers for use in the striped personalcleansing composition of the present invention contain cationicnitrogen-containing moieties such as quaternary ammonium or cationicprotonated amino moieties. The cationic protonated amines can beprimary, secondary, or tertiary amines (preferably secondary ortertiary), depending upon the particular species and the selected pH ofthe personal cleansing composition. The average molecular weight of thecationic deposition polymer is between about 5,000 to about 10 million,preferably at least about 100,000, more preferably at least about200,000, but preferably not more than about 2 million, more preferablynot more than about 1.5 million. The polymers also have a cationiccharge density ranging from about 0.2 meq/gm to about 5 meq/gm,preferably at least about 0.4 meq/gm, more preferably at least about 0.6meq/gm, at the pH of intended use of the personal cleansing composition,which pH will generally range from about pH 4 to about pH 9, preferablybetween about pH 5 and about pH 8.

Nonlimiting examples of cationic deposition polymers for use in thepersonal cleansing composition include polysaccharide polymers, such ascationic cellulose derivatives. Preferred cationic cellulose polymersare the salts of hydroxyethyl cellulose reacted with trimethyl ammoniumsubstituted epoxide, referred to in the industry (CTFA) asPolyquaternium 10 which are available from Amerchol Corp. (Edison, N.J.,USA) in their Polymer KG, JR and LR series of polymers with the mostpreferred being KG-30M.

Other suitable cationic deposition polymers include cationic guar gumderivatives, such as guar hydroxypropyltrimonium chloride, specificexamples of which include the Jaguar series (preferably Jaguar C-17)commercially available from Rhodia Inc., and N-Hance polymer seriescommercially available from Aqualon.

Other suitable cationic deposition polymers include synthetic cationicpolymers. The cationic polymers suitable for use in the cleansingcomposition herein are water soluble or dispersible, non crosslinked,cationic polymers having a cationic charge density of from about 4meq/gm to about 7 meq/gm, preferably from about 4 meq/gm to about 6meq/gm, more preferably from about 4.2 meq/gm to about 5.5 meq/gm. Theselect polymers also must have an average molecular weight of from about1,000 to about 1 million, preferably from about 10,000 to about 500,000,more preferably from about 75,000 to about 250,000.

The concentration of the cationic polymer in the cleansing compositionranges about 0.025% to about 5%, preferably from about 0.1% to about 3%,more preferably from about 0.2% to about 1%, by weight of thecomposition.

A non limiting example of a commercially available synthetic cationicpolymer for use in the cleansing compositions ispolymethyacrylamidopropyl trimonium chloride, available under the tradename Polycare 133, from Rhodia, Cranberry, N.J., U.S.A.

The cationic polymers herein are either soluble in the cleansing phase,or preferably are soluble in a complex coacervate phase in the stripedpersonal cleansing composition formed by the cationic deposition polymerand the anionic surfactant component described hereinbefore. Complexcoacervates of the cationic deposition polymer can also be formed withother charged materials in the personal cleansing composition.

Coacervate formation is dependent upon a variety of criteria such asmolecular weight, component concentration, and ratio of interactingionic components, ionic strength (including, modification of ionicstrength, for example, by addition of salts), charge density of thecationic and anionic components, pH, and temperature. Coacervate systemsand the effect of these parameters have been described, for example, byJ. Caelles, et al., “Anionic and Cationic Compounds in Mixed Systems”,Cosmetics & Toiletries, Vol. 106, April 1991, pp 49-54, C. J. van Oss,“Coacervation, Complex-Coacervation and Flocculation”, J. DispersionScience and Technology, Vol. 9 (5,6), 1988-89, pp 561-573, and D. J.Burgess, “Practical Analysis of Complex Coacervate Systems”, J. ofColloid anti Interface Science, Vol. 140, No. 1, November 1990, pp227-238, which descriptions are incorporated herein by reference.

It is believed to be particularly advantageous for the cationicdeposition polymer to be present in the personal cleansing compositionin a coacervate phase, or to form a coacervate phase upon application orrinsing of the cleansing composition to or from the skin Complexcoacervates are believed to more readily deposit on the skin, whichresults in improved deposition of the benefit materials. Thus, ingeneral, it is preferred that the cationic deposition polymer exists inthe personal cleansing composition as a coacervate phase or form acoacervate phase upon dilution. If not already a coacervate in thepersonal cleansing composition, the cationic deposition polymer willpreferably exist in a complex coacervate form in the cleansingcomposition upon dilution with water.

Techniques for analysis of formation of complex coacervates are known inthe art. For example, centrifugation analyses of the personal cleansingcompositions, at any chosen stage of dilution, can be utilized toidentify whether a coacervate phase has formed.

Other non limiting examples of these optional ingredients includevitamins and derivatives thereof (e.g., ascorbic acid, vitamin E,tocopheryl acetate, and the like); sunscreens; thickening agents (e.g.,polyol alkoxy ester, available as Crothix from Croda); preservatives formaintaining the anti microbial integrity of the cleansing compositions;anti-acne medicaments (resorcinol, salicylic acid, and the like);antioxidants; skin soothing and healing agents such as aloe veraextract, allantoin and the like; chelators and sequestrants; and agentssuitable for aesthetic purposes such as fragrances, essential oils, skinsensates, pigments, pearlescent agents (e.g., mica and titaniumdioxide), lakes, colorings, and the like (e.g., clove oil, menthol,camphor, eucalyptus oil, and eugenol).

Benefit Phase (High Internal Phase Emulsion)

The benefit phase of the present invention comprises a high internalphase (HIP) emulsion comprising an oil, and aqueous and preferably astabilizer. The high internal phase emulsion is an emulsion containing50% or more of a discontinuous or “internal” phase and 50% or less of acontinuous phase. The oil phase is the discontinuous phase and theaqueous phase is the continuous phase.

Oils

The benefit phase of the present invention typically comprises fromabout 50% to about 99% of oil, more preferably 50 to about 95% oil, evenmore preferably from 55% to about 90% oil and most preferably from 60%to about 80% oil.

In general, the higher the level of oil employed in the HIP emulsion,the more stable the personal cleansing composition employing the HIPemulsion will be. Oils suitable for use herein include any natural andsynthetic materials with an overall solubility parameter less than about12.5 (cal/cm³)^(0.5), preferably less than about 11.5 (cal/cm³)^(0.5).Solubility parameters for the oils described herein are determined bymethods well known in the chemical arts for establishing the relativepolar character of a material. A description of solubility parametersand means for determining them are described by C. D. Vaughn,“Solubility Effects in Product, Package, Penetration and Preservation”103 Cosmetics and Toiletries 47-69, October 1988; and C. D. Vaughn,“Using Solubility Parameters in Cosmetics Formulation”, 36 J. Soc.Cosmetic Chemists 319-333, September/October, 1988.

The benefit agent for use in the benefit phase of the composition has aVaughan Solubility Parameter (VSP) of from about 5 to about 10(cal/cm³)^(0.5), preferably from about 6 to less than 10(cal/cm³)^(0.5), more preferably from about 6 to about 9(cal/cm³)^(0.5). Non-limiting examples of benefit agents having VSPvalues ranging from about 5 to about 10 (cal/cm³)^(0.5) include thefollowing:

VAUGHAN SOLUBILITY PARAMETERS *(cal/cm³)^(0.5) Cyclomethicone 5.92Squalene 6.03 Petrolatum 7.33 Isopropyl Palmitate 7.78 IsopropylMyristate 8.02 Castor Oil 8.90 Cholesterol 9.55

-   -   As reported in Solubility, Effects in Product, Package,        Penetration and Preservation, C. D. Vaughan, Cosmetics and        Toiletries, Vol. 103, October 1988.

By “overall solubility parameter” is meant that it is possible to useoils with higher solubility parameters than 12.5 (cal/cm³)^(0.5) if theyare blended with other oils to reduce the overall solubility parameterof the oil mixture to less than about 12.5 (cal/cm³)^(0.5). For example,a small portion of diethylene glycol (sol par=13.61) could be blendedwith lanolin oil (sol par=7.3) and a cosolublizing agent to create amixture that has a solubility parameter of less than 12.5(cal/cm³)^(0.5).

Suitable for use herein oils include but are not limited to, hydrocarbonoils and waxes, silicones, fatty acid derivatives, cholesterol,cholesterol derivatives, diglycerides, triglycerides, vegetable oils,vegetable oil derivatives, acetoglyceride esters, alkyl esters, alkenylesters, lanolin and its derivatives, wax esters, beeswax derivatives,sterols and phospholipids, and combinations thereof.

Non-limiting examples of hydrocarbon oils and waxes suitable for useherein include petrolatum, mineral oil, micro-crystalline waxes,polyalkenes, paraffins, cerasin, ozokerite, polyethylene,perhydrosqualene, poly alpha olefins, hydrogenated polyisobutenes andcombinations thereof.

Non-limiting examples of silicone oils suitable for use herein includedimethicone copolyol, dimethylpolysiloxane, diethylpolysiloxane, mixedC1-C30 alkyl polysiloxanes, phenyl dimethicone, dimethiconol, andcombinations thereof. Preferred are non-volatile silicones selected fromdimethicone, dimethiconol, mixed C1-C30 alkyl polysiloxane, andcombinations thereof. Nonlimiting examples of silicone oils usefulherein are described in U.S. Pat. No. 5,011,681 (Ciotti et al.).

Non-limiting examples of diglycerides and triglycerides suitable for useherein include castor oil, soy bean oil, derivatized soybean oils suchas maleated soy bean oil, safflower oil, cotton seed oil, corn oil,walnut oil, peanut oil, olive oil, cod liver oil, almond oil, avocadooil, palm oil and sesame oil, vegetable oils, sunflower seed oil, andvegetable oil derivatives; coconut oil and derivatized coconut oil,cottonseed oil and derivatized cottonseed oil, jojoba oil, cocoa butter,and combinations thereof. In addition any of the above oils that havebeen partially or fully hydrogenated are also suitable.

Non-limiting examples of acetoglyceride esters suitable for use hereininclude acetylated monoglycerides.

Non-limiting examples of alkyl esters suitable for use herein includeisopropyl esters of fatty acids and long chain esters of long chainfatty acids, e.g. SEFA (sucrose esters of fatty acids). Laurylpyrolidone carboxylic acid, pentaerthritol esters, aromatic mono, di ortriesters, cetyl ricinoleate, non-limiting examples of which includeisopropyl palmitate, isopropyl myristate, cetyl riconoleate and stearylriconoleate. Other examples are: hexyl laurate, isohexyl laurate,myristyl myristate, isohexyl palmitate, decyl oleate, isodecyl oleate,hexadecyl stearate, decyl stearate, isopropyl isostearate, diisopropyladipate, diisohexyl adipate, dihexyldecyl adipate, diisopropyl sebacate,acyl isononanoate lauryl lactate, myristyl lactate, cetyl lactate, andcombinations thereof.

Non-limiting examples of alkenyl esters suitable for use herein includeoleyl myristate, oleyl stearate, oleyl oleate, and combinations thereof.

Non-limiting examples of lanolin and lanolin derivatives suitable foruse herein include lanolin, lanolin oil, lanolin wax, lanolin alcohols,lanolin fatty acids, isopropyl lanolate, acetylated lanolin, acetylatedlanolin alcohols, lanolin alcohol linoleate, lanolin alcoholriconoleate, hydroxylated lanolin, hydrogenated lanolin and combinationsthereof.

Still other suitable oils include milk triglycerides (e.g., hydroxylatedmilk glyceride) and polyol fatty acid polyesters.

Still other suitable oils include wax esters, non-limiting examples ofwhich include beeswax and beeswax derivatives, spermaceti, myristylmyristate, stearyl stearate, and combinations thereof. Also useful arevegetable waxes such as carnauba and candelilla waxes; sterols such ascholesterol, cholesterol fatty acid esters; and phospholipids such aslecithin and derivatives, sphingo lipids, ceramides, glycosphingolipids, and combinations thereof.

Stabilizers

The benefit phase of the present invention typically comprises fromabout 0.1% to about 10% of a stabilizer, preferably from about 0.5% toabout 5%, and more preferably from about 0.5% to about 3%. Preferredstabilizers are those that reduce the surface tension of water to notless 60 mN/m at 25° C. as measured by standard surface tension apparatiand methods known to those of ordinary skill in the art, for exampleASTM D1331-89 (2001) Method A, “Surface Tension”. Preferred stabilizersexhibit a minimum surface tension in water of 60 mN/m or higher.Suitable stabilizers promote stability of the oil in water emulsion byinhibiting coalescence of the oil droplets, and/or inhibiting phaseseparation of the oil and water phases.

Some suitable stabilizers are Pemulen TR-1 (Acrylates/C10-30 AlkylAcrylate Crosspolymer-Noveon), Pemulen TR-2 (Acrylates/C10-30 AlkylAcrylate Cros spolymer-Noveon), ETD 2020 (Acrylates/C10-30 AlkylAcrylate Crosspolymer-Noveon), Carbopol 1382 (Acrylates/C10-30 AlkylAcrylate Crosspolymer-Noveon), Natrosol CS Plus 330, 430, Polysurf 67(Cetyl Hydroxyethyl Cellulose-Hercules), Aculyn 22(Acrylates/Steareth-20 Methacrylate Copolymer-Rohm&Haas) Aculyn 25(Acrylates/Laureth-25 Methacrylate copolymer-Rohm&Haas), Aculyn 28(Acrylates/Beheneth-25 Methacrylate copolymer-Rohm&Haas), Aculyn 46(Peg-150/Stearyl Alcohol/SMDI copolymer-Rohm&Haas) Stabylen 30(Acrylates/Vinyl Isodecanoate-3V), Structure 2001 (Acrylates/Steareth-20Itaconate copolymer-National Starch), Structure 3001(Acrylates/Ceteth-20 Itaconate copolymer-National Starch), StructurePlus (Acrylates/Aminoacrylates/C10-30 Alkyl Peg 20 Itaconatecopolymer-National Starch, Quatrisoft LM-200 (Polyquaternium-24), themetal oxides of titanium, zinc, iron, zirconium, silicon, manganese,aluminium and cerium, polycarbonates, polyethers, polyethylenes,polypropylenes, polyvinyl chloride, polystyrene, polyamides,polyacrylates, cyclodextrins and mixtures thereof.

Cyclodextrins are solubilized, water-soluble, uncomplexed cyclodextrins.As used herein, the term “cyclodextrin” includes any of the knowncyclodextrins such as unsubstituted cyclodextrins containing from six totwelve glucose units, especially, alpha-cyclodextrin, beta-cyclodextrin,gamma-cyclodextrin and/or their derivatives and/or mixtures thereof.Examples of preferred water-soluble cyclodextrin derivatives suitablefor use herein are hydroxypropyl alpha-cyclodextrin, methylatedalpha-cyclodextrin, methylated beta-cyclodextrin, hydroxyethylbeta-cyclodextrin, and hydroxypropyl beta-cyclodextrin.

It is also preferable to use a mixture of cyclodextrins. Such mixturescan complex with a wider range of perfume molecules having a wider rangeof molecular sizes. Preferably at least a portion of the cyclodextrinsis alpha-cyclodextrin and its derivatives thereof, gamma-cyclodextrinand its derivatives thereof, and/or derivatised beta-cyclodextrin, andmixtures thereof.

Cyclodextrins particularly preferred for use herein are alphacyclodextron, beta cyclodextron, hydroxypropyl alpha cyclodextrin,hydroxypropyl beta cyclodextrin, and a mixture thereof.

Suitable stabilizers also include nonionic surfactants, cationicsurfactants, and anionic surfactants. Examples of suitable surfactantsinclude polyglycerol-10 laurate (Dacaglyn 10L from Nikko Chemical),decyl glucoside (Plantaren 2000 from Cognis), octyl dodeceth 20 (Hetexol120-20 from Global Seven), Laureth 7 (from Global Seven), sodiumtrideceth 3 carboxylate (ECTD-3NEX from Nikko Chemical).

Other suitable stabilizers include sub-micron organic or inorganicparticles absorbed at the interface. Examples of suitable particlesinclude micronized zeolite, fumed silica, titanium dioxide, zinc oxide,and aluminium oxide.

Aqueous Phase

The benefit phase of the present invention typically comprises fromabout 1% to about 50% of aqueous phase. The term aqueous comprises afluid selected from the group consisting of water, mono- and polyhydricalcohols (glycerin, propylene glycol, ethanol, isopropanol, etc.).

Method of Use

The striped personal cleansing compositions of the present invention arepreferably applied topically to the desired area of the skin or hair inan amount sufficient to provide effective delivery of the skinconditioning agent to the applied surface, or to otherwise provideeffective skin conditioning benefits. The compositions can be applieddirectly to the skin or indirectly via the use of a cleansing puff,washcloth, sponge or other implement. The compositions are preferablydiluted with water prior to, during, or after topical application, andthen subsequently rinsed or wiped off of the applied surface, preferablyrinsed off of the applied surface using water or a water-insolublesubstrate in combination with water.

Method of Manufacture

The personal cleansing compositions of the present invention may beprepared by any known or otherwise effective technique, suitable formaking and formulating the desired striped product form. It is effectiveto combine toothpaste-tube filling technology with a spinning stagedesign. Additionally, the present invention can be prepared by themethod and apparatus as disclosed in U.S. Pat. No. 6,213,166, hereinincorporated by reference. The method and apparatus allows two or morecompositions to be filled with a spiral configuration into a singlecontainer. The method requires that at least two nozzles be employed tofill the container. The container is placed on a static mixer and spunas the composition is introduced into the container.

Alternatively, it is especially effective to combine at least two phasesby first placing the separate compositions in separate storage tankshaving a pump and a hose attached. The phases are then pumped inpredetermined amounts into a single combining section. Next, the phasesare moved from the combining sections into the blending sections and thephases are mixed in the blending section such that the single resultingproduct exhibits a distinct pattern of the phases. The next stepinvolves pumping the product that was mixed in the blending section viaa hose into a single nozzle, then placing the nozzle into a containerand filing the container with the resulting product. Specificnon-limiting examples of such methods as they are applied to specificembodiments of the present invention are described in the followingexamples.

If the personal cleansing compositions contain stripes of varying colorsit may be desirable to package these compositions in a transparentpackage such that the consumer can view the pattern through the package.Because of the viscosity of the subject compositions it may also bedesirable to include instructions to the consumer to store the packageupside down, on its cap to facilitate dispensing.

Analytical Methods

Lather Volume

Lather volume of a striped liquid personal cleansing composition ismeasured using a graduated cylinder and a tumbling apparatus. A 1,000 mlgraduated cylinder is chosen which is marked in 10 ml increments and hasa height of 14.5 inches at the 1,000 ml mark from the inside of its base(for example, Pyrex No. 2982). Distilled water (100 grams at 23° C.) isadded to the graduated cylinder. The cylinder is clamped in a rotatingdevice, which clamps the cylinder with an axis of rotation thattransects the center of the graduated cylinder. One gram of the totalpersonal cleansing composition (0.5 g of the cleansing phase and 0.5 gof the benefit phase when measuring the product, or 1.0 g of thecleansing phase when measuring cleansing phase only) is added into thegraduated cylinder and the cylinder is capped. The cylinder is rotatedat a rate of 10 revolutions in about 20 seconds, and stopped in avertical position to complete the first rotation sequence. A timer isset to allow 30 seconds for the lather thus generated to drain. After 30seconds of such drainage, the first lather volume is measured to thenearest 10 ml mark by recording the lather height in ml up from the base(including any water that has drained to the bottom on top of which thelather is floating).

If the top surface of the lather is uneven, the lowest height at whichit is possible to see halfway across the graduated cylinder is the firstlather volume (ml). If the lather is so coarse that a single or only afew foam cells (“bubbles”) reach across the entire cylinder, the heightat which at least 10 foam cells are required to fill the space is thefirst lather volume, also in ml up from the base. Foam cells larger thanone inch in any dimension, no matter where they occur, are designated asunfilled air instead of lather. Foam that collects on the top of thegraduated cylinder but does not drain is also incorporated in themeasurement if the foam on the top is in its own continuous layer, byadding the ml of foam collected there using a ruler to measure thicknessof the layer, to the ml of foam measured up from the base. The maximumfoam height is 1,000 ml (even if the total foam height exceeds the 1,000ml mark on the graduated cylinder). One minute after the first rotationis completed, a second rotation sequence is commenced which is identicalin speed and duration to the first rotation sequence. The second lathervolume is recorded in the same manner as the first, after the same 30seconds of drainage time. A third sequence is completed and the thirdlather volume is measured in the same manner, with the same pausebetween each for drainage and taking the measurement.

The lather result after each sequence is added together and the TotalLather Volume determined as the sum of the three measurements, in ml.The Flash Lather Volume is the result after the first rotation sequenceonly, in ml, i.e., the first lather volume. Compositions according tothe present invention perform significantly better in this test thansimilar compositions in conventional emulsion form.

Viscosity of the Liquid Personal Cleansing Composition

The Wells-Brookfield Cone/Plate Model DV-II+ Viscometer can be used todetermine the viscosity of the liquid personal cleansing compositionsherein. The determination is performed at 25 C with the 2.4 cm⁰ conemeasuring system with a gap of 0.013 mm between the two small pins onthe respective cone and plate. The measurement is performed by injecting0.5 ml of the sample, to be analyzed, between the cone and plate and,then, rotating the cone at a set speed of 1 rpm. The resistance to therotation of the cone produces a torque that is proportional to the shearstress of the liquid sample. The amount of torque is read 2 minutesafter loading the sample and computed by the viscometer into absolutecentipoise units (mPa*s) based on the geometric constant of the cone,the rate of rotation, and the stress related torque.

Yield Point of Liquid Personal Cleansing Composition

The Carrimed CSL 100 Controlled Stress Rheometer can be used todetermine the yield point of the liquid personal cleansing compositions.For purpose herein, the yield point is the amount of stress required toproduce a strain of 1% on the liquid personal cleansing composition. Thedetermination is performed at 77 F with the 4 cm 2° cone measuringsystem set with a 51 micron gap. The determination is performed via theprogrammed application of a shear stress (typically from about 0.06dynes/sq. centimeter to about 500 dynes/sq. centimeter) over timeinterval of 5 minutes. It is this amount of stress that results in adeformation of the sample, a shear stress vs. strain curve can becreated. From this curve, the yield point of the liquid personalcleansing composition can be calculated.

EXAMPLES

The following examples further describe and demonstrate embodimentswithin the scope of the present invention. The examples are given solelyfor the purpose of illustration and are not to be construed aslimitations of the present invention, as many variations thereof arepossible without departing from the spirit and scope of the invention.All exemplified amounts are concentrations by weight of the totalcomposition, i.e., wt/wt percentages, unless otherwise specified.

Each of the exemplified compositions provides improved deposition oreffectiveness of the skin conditioning agents or optional ingredientsdelivered from each prepared composition.

Examples 1-3

The following examples described in Table 1 are non-limiting examples ofthe personal cleansing compositions herein.

TABLE 1 Cleansing Phase and Benefit phase Compositions Example ExampleExample 1 2 3 Ingredient wt % wt % Wt % I. Cleansing Phase CompositionAmmonium Laureth-3 Sulfate 3.0 3.0 3.0 Sodium Lauroamphoacetate 16.716.7 16.7 (Miranol L-32 Ultra from Rhodia) Ammonium Lauryl Sulfate 1.01.0 1.0 Lauric Acid 0.9 0.9 0.9 Trihydroxystearin (Thixcin R) 2.0 2.02.0 Guar Hydroxypropyltrimonium Chloride 0.17 0.75 0.75 ( N-Hance 3196from Aqualon) Guar Hydroxypropyltrimonium Chloride 0.58 — — (Jaguar C-17from Rhodia) Polyquaterium 10 0.45 — — (UCARE polymer JR-30M fromAmerchol) Polymethacrylamidopropyltrimonium — 0.24 — Chloride (Polycare133 from Rhodia) Polyquaternium-39 — 0.81 — (Merqurt Plus 3300 fromCalgon ) PEG 90M (Polyox WSR 301 from Union 0.25 — — Carbide) PEG-14M(Polyox WSR N-3000 H from 0.45 2.45 2.45 Union Carbide)Linoleamidoprypyl PG-Dimonium Chloride — 1.0 4.0 Phosphate Dimethicone(Monasil PLN from Uniqema) Glycerin 1.4 4.9 4.9 Sodium Chloride 0.3 0.30.3 Sodium Benzoate 0.25 0.25 0.25 Disodium EDTA 0.13 0.13 0.13 Glydant0.37 0.37 0.37 Citric Acid 1.6 0.95 0.95 Titanium Dioxide 0.5 0.5 0.5Perfume 0.5 0.5 0.5 Water and Colorant Q.S. Q.S. Q.S. II. Benefit phaseComposition Petrolatum (Superwhite Protopet) 68 68 68 CetylHydroxyethylcellulos (Natrosol Plus) 0.91 0.91 0.91 Water and MinorsQ.S. Q.S. Q.S.

The cleansing phase and benefit phase compositions described above canbe prepared by conventional formulation and mixing techniques. Thecleansing composition 1 can be prepared by first creating the followingpremixes: citric acid in water premix at 1:3 ratio, Guar polymer premixwith Jaguar C-17 and N-Hance 3196 in water at 1:10 ratio, UCARE premixwith JR-30M in water at about 1:30 ratio, and Polyox premix with PEG-90Mand PEG-14M in Glycerin at about 1:2 ratio. Then, the followingingredients will be added into the main mixing vessel: ammonium laurylsulfate, ammonium laureth-3 sulfate, citric acid premix, Miranol L-32ultra, sodium chloride, sodium benzoate, disodium EDTA, lauric acid,Thixcin R, Guar premix, UCARE premix, Polyox Premix, and the rest ofwater. Then one will heat the vessel with agitation until it reaches190° F. (88° C.). Let it mix for about 10 min Cool the batch with a coldwater bath with slow agitation until it reaches 110° F. (43° C.). Addthe following ingredients: Glydant, perfume, Titanium Dioxide. Mix untila homogeneous solution forms.

The cleansing composition 2 can be prepared by first creating thefollowing premixes: citric acid in water premix at 1:3 ratio, Guarpolymer premix with N-Hance 3196 in water at 1:10 ratio, and Polyoxpremix with PEG-14M in Glycerin at about 1:2 ratio. Then, the followingingredients will be added into the main mixing vessel: ammonium laurylsulfate, ammonium laureth-3 sulfate, citric acid premix, Miranol L-32ultra, sodium chloride, sodium benzoate, disodium EDTA, lauric acid,Thixcin R, Guar premix, Polyox Premix, Polycare 133, Merquat Plus 3300,Monosil PLN, and the rest of water. Then, the vessel will be heated withagitation until it reaches 190° F. (88° C.). Let it mix for about 10 minNext, the batch will be cooled with a cold water bath with slowagitation until it reaches 110° F. (43° C.). Finally, the followingingredients will be added: Glydant, perfume, Titanium Dioxide and mixeduntil a homogeneous solution forms.

The cleansing composition 3 can be prepared by first creating thefollowing premixes: citric acid in water premix at 1:3 ratio, Guarpolymer premix with N-Hance 3196 in water at 1:10 ratio, and Polyoxpremix with PEG-14M in Glycerin at about 1:2 ratio. Then, the followingingredients will be added into the main mixing vessel: ammonium laurylsulfate, ammonium laureth-3 sulfate, citric acid premix, Miranol L-32ultra, sodium chloride, sodium benzoate, disodium EDTA, lauric acid,Thixcin R, Guar premix, Polyox Premix, Monasil PLN, and the rest ofwater. Then the vessel will be heated with agitation until it reaches190° F. (88° C.). The vessel will be mixed for about 10 min. Next, thebatch will be cooled with a cold water bath with slow agitation until itreaches 110° F. (43° C.). Finally, the following ingredients will beadded: Glydant, perfume, Titanium Dioxide and mixed until a homogeneoussolution forms.

Benefit Phase

The benefit phase can be prepared by adding water into the main mixingvessel. Then, the vessel will be heated to 185 F. Then, Natrosol Pluswill be slowly added with agitation. The benefit phase will be keptagitating for one hour. In a separate vessel, the petrolatum will beheated to 185 F. The main mixing vessel will have petrolatum slowlyadded with good agitation. Then, the product will be thoroughly mixedthrough a high shear mixer until homogeneous.

The cleansing and benefit phases can be packaged into a single containerby first placing the separate compositions in separate storage tankshaving a pump and a hose attached. The phases are then pumped inpredetermined amounts into a single combining section. Next, the phasesare moved from the combining sections into the blending sections and thephases are mixed in the blending section such that the single resultingproduct exhibits a distinct pattern of the phases. The next stepinvolves pumping the product that was mixed in the blending section viaa hose into a single nozzle, then placing the nozzle into a containerand filing the container with the resulting product.

Examples 4-6

Examples 4-6 are described in Table 2. Examples 4-6 are non-limitingexamples of the personal cleansing compositions herein.

TABLE 2 Cleansing Phase and Benefit phase Compositions Example 4 Example5 Example 6 Ingredient wt % wt % wt % I. Cleansing Phase CompositionMiracare SLB-365 (from Rhodia) 47.4 47.4 47.4 (Sodium Trideceth Sulfate,Sodium Lauramphoacetate, Cocamide MEA) Guar Hydroxypropyltrimonium — 0.7Chloride(N-Hance 3196 from Aqualon) PEG 90M (Polyox WSR 301 — — 0.2 fromDow Chemical) Cocamide MEA 3.0 — — Polycare 133 — — 0.4 Lauric Acid —2.0 2.0 Sodium Chloride 3.5 3.5 3.5 Disodium EDTA 0.05 0.05 0.05 Glydant0.67 0.67 0.67 Citric Acid 0.4 0.4 0.4 Perfume 2.0 2.0 2.0 Water andColorant Q.S. Q.S. Q.S. (pH) (6.0) (6.0) (6.0) II. Benefit phaseComposition Petrolatum (Superwhite Protopet) 68 68 68 CetylHydroxyethylcellulos 0.91 0.91 0.91 (Natrosol Plus) Water and MinorsQ.S. Q.S. Q.S.

The compositions described above can be prepared by conventionalformulation and mixing techniques. The cleansing phase composition canbe prepared by first adding citric acid into water at 1:3 ratios to forma citric acid premix. The following ingredients will then be added intothe main mixing vessel in the following sequence: water, MiracareSLB-354, sodium chloride, sodium benzoate, Disodium EDTA, glydant. Themain mixing vessel will start to be agitated. In a separate mixingvessel, disperse polymers (N-Hance 3196) in water at 1:10 ratio willform a polymer premix. The completely dispersed polymer premix will beadded into the main mixing vessel with continuous agitation. Polyox WSR301 will be dispersed in water and then added to the main mixing vessel.Then, the rest of the water and perfume will be added into the batch.The batch will be kept agitating until a homogenous solution forms.

Benefit Phase

The benefit phase can be prepared by adding water into the main mixingvessel. Then, the vessel will be heated to 185 F. Then, Natrosol Pluswill be slowly added with agitation. The benefit phase will be keptagitating for one hour. In a separate vessel, the petrolatum will beheated to 185 F. The main mixing vessel will have petrolatum slowlyadded with good agitation. Then, the product will be thoroughly mixedthrough a high shear mixer until homogeneous.

The cleansing and benefit phases are packaged into a single container byfirst placing the separate compositions in separate storage tanks havinga pump and a hose attached. The phases are then pumped in predeterminedamounts into a single combining section. Next, the phases are moved fromthe combining sections into the blending sections and the phases aremixed in the blending section such that the single resulting productexhibits a distinct pattern of the phases. The next step involvespumping the product that was mixed in the blending section via a hoseinto a single nozzle, then placing the nozzle into a container andfiling the container with the resulting product.

Examples 7-9

Examples 7-9 are described in Table 3. Examples 7-9 are non-limitingexamples of the personal cleansing compositions herein.

TABLE 3 Cleansing Phase and Benefit phase Compositions Example 7 Example8 Example 9 Ingredient wt % wt % wt % I. Cleansing Phase CompositionMiracare SLB-365 (from Rhodia) 47.4 47.4 47.4 (Sodium Trideceth Sulfate,Sodium Lauramphoacetate, Cocamide MEA) Sodium Chloride 3.5 3.5 3.5Disodium EDTA 0.05 0.05 0.05 Glydant 0.67 0.67 0.67 Citric Acid 0.4 0.40.4 Perfume 2.0 2.0 2.0 Water and Colorant Q.S. Q.S. Q.S. (pH) (6.0)(6.0) (6.0) II. Benefit phase Composition Isopropyl isostearate 90 — —Plantaren 2000 5 — — Glycerin 5 4.5 — Petrolaum — 72.8 90 Water — 18.27.5 ECTD 3NEX — 4.5 — Miracare SLB-365 (from Rhodia) — — 2.5 (SodiumTrideceth Sulfate, Sodium Lauramphoacetate, Cocamide MEA)

The compositions described above can be prepared by conventionalformulation and mixing techniques. The cleansing phase composition canbe prepared by first adding citric acid into water at 1:3 ratio to forma citric acid premix. The following ingredients will be added into themain mixing vessel in the following sequence: water, Miracare SLB-354,sodium chloride, sodium benzoate, Disodium EDTA, glydant. The mainmixing vessel will start to be agitated. Then, perfume will be addedinto the batch. The batch will be kept agitating until a homogenoussolution forms.

Benefit Phase

The benefit phase can be prepared by mixing the surfactant/stabilizer(plantareen 2000, ECTD 3NEX, and Miracare SLB-365) in the continuousphase (glycerin and/or water). The batch will then be heated to 185 F,then slowly adds Oil Phase (isopropyl isostearate and petrolatum). Themixture will be high sheared until homogenous.

The cleansing and benefit phases are packaged into a single container byfirst placing the separate compositions in separate storage tanks havinga pump and a hose attached. The phases are then pumped in predeterminedamounts into a single combining section. Next, the phases are moved fromthe combining sections into the blending sections and the phases aremixed in the blending section such that the single resulting productexhibits a distinct pattern of the phases. The next step involvespumping the product that was mixed in the blending section via a hoseinto a single nozzle, then placing the nozzle into a container andfiling the container with the resulting product.

1. A method of delivering skin conditioning benefits to skin or hair,the method comprising: dispensing a personal cleansing composition ontoan implement, wherein the personal cleansing composition comprises: afirst stripe comprising a cleansing phase comprising a surfactant andwater; and at least one additional stripe comprising a benefit phasecomprising a high internal phase emulsion, wherein the high internalphase emulsion comprises 50% or more of an oil and from about 0.5% toabout 3% of a stabilizer, and wherein the cleansing phase and thebenefit phase are packaged in physical contact; applying the personalcleansing composition onto the skin or hair using the implement; andremoving the personal cleansing composition from the skin or hair. 2.The method of claim 1, further comprising diluting the personalcleansing composition with water.
 3. The method of claim 2, wherein thepersonal cleansing composition is diluted with water by at least one ofthe following: prior to applying the personal cleansing composition ontothe skin or hair using the implement, when applying the personalcleansing composition onto the skin or hair using the implement, orafter applying the personal cleansing composition onto the skin or hairusing the implement.
 4. The method of claim 1, wherein removing thepersonal cleansing composition form the skin or hair comprising rinsingthe personal cleansing composition from the surface using water, awater-insoluble substrate, or a combination thereof.
 5. The method ofclaim 1, wherein the implement is selected from the group consisting ofa cleansing puff, washcloth, sponge and human hand.
 6. The method ofclaim 1, wherein the cleansing phase is non-Newtonian shear thinning,and wherein the cleansing phase comprises a viscosity of equal to orgreater than about 3,000 centipoise and a yield point of at least about0.1 Pascal.
 7. The method of claim 1, wherein the surfactant comprisesfrom about 3% to about 60%, by weight of the cleansing phase, of thesurfactant.
 8. The method of claim 1, wherein the surfactant is selectedfrom the group consisting of anionic surfactant, non-ionic surfactant,zwitterionic surfactant, cationic surfactant, soap and mixtures thereof.9. The method of claim 1, wherein a ratio of the cleansing phase to thebenefit phase is from about 1:9 to about 99:1.
 10. The method of claim1, wherein the oil is selected from the group consisting of hydrocarbonoils and waxes, silicones, fatty acid derivatives, cholesterol,cholesterol derivatives, diglycerides, triglycerides, vegetable oils,vegetable oil derivatives, acetoglyceride esters, alkyl esters, alkenylesters, lanolin, lanolin derivatives, wax esters, beeswax derivatives,sterols, phospholipids, and mixtures thereof.
 11. The method of claim 1,wherein the stabilizer is selected from the group consisting ofacrylates/C10-30 alkyl acrylate crosspolymcr, cetyl hydroxyethylcellulose, acrylate/stcareth-20 methacrylate copolymer,acrylate/laureth-25 methacrylate copolymer, acrylate/steareth-20methacrylate copolymer, acrylate/laureth-25 methacrylate copolymer,acrylate/beheneth-25 methacrylate copolymer, PEG-150/stearylalcohol/SMDI copolymer, acrylate/vinyl isodecanoate,acrylate/steareth-20 itaconate copolymer, acrylate/ceteth-20 itaconatecopolymer, acrylate/aminoacrylate/C10-C30 alkyl PEG-20 itaconatecopolymer, polyquaternium-24, the metal oxides of titanium, zinc, iron,zirconium, silicon, manganese, aluminium and cerium, polycarbonates,polyethers, polyethylenes, polypropylenes, polyvinyl chloride,polystyrene, lyamides, polyacrylates, and mixtures thereof.
 12. A methodof delivering skin conditioning benefits to skin or hair, the methodcomprising: dispensing a personal cleansing composition onto animplement, wherein the personal cleansing composition comprises: a firststripe comprising a cleansing phase comprising from about 3% to about60%, by weight of the cleansing phase, of a surfactant; and at least oneadditional stripe comprising a benefit phase comprising a high internalphase emulsion, wherein the high internal phase emulsion comprises 50%or more of an oil and from about 0.5% to about 3% of a stabilizer, andwherein the cleansing phase and the benefit phase are packaged inphysical contact; topically applying the personal cleansing compositiononto the skin or hair using the implement; and rinsing the personalcleansing composition from the skin or hair using water, awater-insoluble substrate, or a combination thereof.
 13. The method ofclaim 12, further comprising diluting the personal cleansing compositionwith water.
 14. The method of claim 12, wherein the implement isselected from the group consisting of a cleansing puff, washcloth,sponge and human hand.
 15. The method of claim 12, wherein the cleansingphase is non-Newtonian shear thinning, and wherein the cleansing phasecomprises a viscosity of equal to or greater than about 3,000 centipoiseand a yield point of at least about 0.1 Pascal.
 16. The method of claim12, wherein the surfactant is selected from the group consisting ofanionic surfactant, non-ionic surfactant, zwitterionic surfactant,cationic surfactant, soap and mixtures thereof.
 17. The method of claim12, wherein the ratio of the cleansing phase to the benefit phase isfrom about 1:9 to about 99:1.
 18. A method of delivering skinconditioning benefits to skin or hair, the method comprising: dispensinga personal cleansing composition onto an implement, wherein the personalcleansing composition comprises: a first stripe comprising a cleansingphase comprising water and from about 1% to about 50% by weight of thecleansing phase, of a surfactant selected from the group consisting ofanionic surfactant, non-ionic surfactant, zwitterionic surfactant,cationic surfactant, soap and mixtures thereof, wherein the cleansingphase is non-Newtonian shear thinning, and wherein the cleansing phasecomprises a viscosity of equal to or greater than about 3,000 centipoiseand a yield point of at least about 0.1 Pascal; and at least oneadditional stripe comprising a benefit phase comprising a high internalphase emulsion, wherein the high internal phase emulsion comprises 50%or more of an oil and from about 0.5% to about 3% of a stabilizer,wherein a ratio of the cleansing phase to the benefit phase is fromabout 1:9 to about 99:1, and wherein the cleansing phase and the benefitphase are packaged in physical contact; diluting the personal cleansingcomposition with water; applying the personal cleansing composition ontothe skin or hair using the implement; and removing the personalcleansing composition from the skin or hair.
 19. The method of claim 18,wherein the personal cleansing composition is diluted with water by atleast one of the following: prior to applying the personal cleansingcomposition onto the skin or hair using the implement, when applying thepersonal cleansing composition onto the skin or hair using theimplement, or after applying the personal cleansing composition onto theskin or hair using the implement.
 20. The method of claim 18, whereinremoving the personal cleansing composition form the skin or haircomprising rinsing the personal cleansing composition from the surfaceusing water, a water-insoluble substrate, or a combination thereof. 21.The method of claim 18, wherein the implement is selected from the groupconsisting of a cleansing puff, washcloth, sponge and human hand.